Home / 1,611.50-2,222.44-1,362.56

Finding the Fourth Proportional to 1,611.50, 2,222.44 and 1,362.56

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Solution

The fourth proportional to 1,611.50, 2,222.44 and 1,362.56 is: 1,879.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611.50 : 2,222.44 = 1,362.56 : x
  2. Step 2: Convert to fraction form
    1,611.50/2,222.44 = 1,362.56/x
  3. Step 3: Cross multiply
    1,611.50x = 2,222.44 × 1,362.56
  4. Step 4: Simplify right side
    1,611.50x = 3,028,193.33
  5. Step 5: Solve for x
    x = 3,028,193.33/1,611.50
  6. Step 6: Final answer
    x = 1,879.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.